/**
 * Square root using Newton Raphson's methods
 * @author PRATEEK
 */
 class NewtonRaphsonSquareRoot {
 
	public static void squareRoot(float num)
	{
		float x1 = num,x2=0,temp=num,e=0.001f;
		do 
		{
			x1 = temp;
			x2 = 0.5f * (x1 + num/x1);
			temp=x2;
 
		}while(Math.abs(x2-x1)> e);
 
		System.out.println(num + " ----> " + x2);
	}
 
	public static void main(String[] args) {
		squareRoot(44.89f);
		squareRoot(2f);
		squareRoot(64f);
	} 
}

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